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unusable fuel

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f.kyle(at)sympatico.ca
Guest

Posted: Wed Nov 20, 2013 6:43 am Post subject: unusable fuel

Cheers,          

            I will shortly be fussing about W&B, or CofG if you wish, and note the need to load unavailable tank fuel to the fuselage for measurement.

Can anyone produce the figure in use by (a) the authority, (b) the kit maker, (c) the fuel guru or (d) a wild stab? I hesitate to admit the tank is a 1997 unit.....

            I don’t relish all this at minus 5 Celcius but have to look busy at something.

Fair winds,

Ferg C-FFGG

 [quote][b]

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davidjoyce(at)doctors.org
Guest

Posted: Wed Nov 20, 2013 8:24 am Post subject: unusable fuel

Ferg, Ideally you measure it yourself. Put say 15 litres 

 in the tank (which will run into both sides) and then 

with the plane in a flying attitude (ie sill about level) 

run a fuel pump with the fuel pipe disconnected and 

draining into a measuring cylinder. What you have left is 

the bit you are looking for and you either just weigh the 

plane without bothering to learn exactly how much it is, 

and/or subtract what came out into your measuring cylinder 

from what you put in the tank.

All the best, David Joyce, G-XSDJ

On Wed, 20 Nov 2013 09:42:32 -0500

  <f.kyle(at)sympatico.ca> wrote:

 	  Quote: 	
		   Cheers,          

 

            I will shortly be fussing about W&B, or CofG 

if you wish, and

 note the need to load unavailable tank fuel to the 

fuselage for measurement.

 

 Can anyone produce the figure in use by (a) the 

authority, (b) the kit

 maker, (c) the fuel guru or (d) a wild stab? I hesitate 

to admit the tank is

 a 1997 unit.....

 

            I don't relish all this at minus 5 Celcius 

but have to look busy

 at something.

 

Fair winds,

 

Ferg C-FFGG

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peterz(at)zutrasoft.com
Guest

Posted: Wed Nov 20, 2013 9:12 am Post subject: unusable fuel

shouldn't it be done at max climb angle?



Cheers,

Pete

A239



On Wed, Nov 20, 2013 at 11:23 AM, David Joyce <davidjoyce(at)doctors.org.uk (davidjoyce(at)doctors.org.uk)> wrote:

  [quote]--> Europa-List message posted by: "David Joyce" <davidjoyce(at)doctors.org.uk (davidjoyce(at)doctors.org.uk)>

   

 Ferg, Ideally you measure it yourself. Put say 15 litres in the tank (which will run into both sides) and then with the plane in a flying attitude (ie sill about level) run a fuel pump with the fuel pipe disconnected and draining into a measuring cylinder. What you have left is the bit you are looking for and you either just weigh the plane without bothering to learn exactly how much it is, and/or subtract what came out into your measuring cylinder from what you put in the tank.

   All the best, David Joyce, G-XSDJ

 

 

 On Wed, 20 Nov 2013 09:42:32 -0500

  <f.kyle(at)sympatico.ca (f.kyle(at)sympatico.ca)> wrote:

  	  Quote: 	
		   Cheers,          

            I will shortly be fussing about W&B, or CofG if you wish, and

 note the need to load unavailable tank fuel to the fuselage for measurement.

 

 Can anyone produce the figure in use by (a) the authority, (b) the kit

 maker, (c) the fuel guru or (d) a wild stab? I hesitate to admit the tank is

 a 1997 unit.....

 

            I don't relish all this at minus 5 Celcius but have to look busy

 at something.

 

 Fair winds,

 

 Ferg C-FFGG

 

 	
 

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 le, List Admin.

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 [b]

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davidjoyce(at)doctors.org
Guest

Posted: Wed Nov 20, 2013 9:38 am Post subject: unusable fuel

Peter

, You could make an argument for that, but I would guess 

most pilots running low on fuel will be flying level in 

the hope of getting to somewhere landable, and on top of 

that it seems a pity to add unnecessarily to your ready 

for service weight if you are going to have your max 

allowed pay load reduced by the same amount.

Regards, David

On Wed, 20 Nov 2013 12:11:30 -0500

  Peter Zutrauen <peterz(at)zutrasoft.com> wrote:

 	  Quote: 	
		   shouldn't it be done at max climb angle?

 

 Cheers,

 Pete

 A239

 

 

 On Wed, Nov 20, 2013 at 11:23 AM, David Joyce 

<davidjoyce(at)doctors.org.uk>wrote:

 

> 

> davidjoyce(at)doctors.org.uk>

>

> Ferg, Ideally you measure it yourself. Put say 15 litres 

>in the tank

> (which will run into both sides) and then with the plane 

>in a flying

> attitude (ie sill about level) run a fuel pump with the 

>fuel pipe

> disconnected and draining into a measuring cylinder. 

>What you have left is

> the bit you are looking for and you either just weigh 

>the plane without

> bothering to learn exactly how much it is, and/or 

>subtract what came out

> into your measuring cylinder from what you put in the 

>tank.

> All the best, David Joyce, G-XSDJ

> On Wed, 20 Nov 2013 09:42:32 -0500

>  <f.kyle(at)sympatico.ca> wrote:

>

>> Cheers,

>>            I will shortly be fussing about W&B, or CofG 

>>if you wish, and

>> note the need to load unavailable tank fuel to the 

>>fuselage for

>> measurement.

>>

>> Can anyone produce the figure in use by (a) the 

>>authority, (b) the kit

>> maker, (c) the fuel guru or (d) a wild stab? I hesitate 

>>to admit the tank

>> is

>> a 1997 unit.....

>>

>>            I don't relish all this at minus 5 Celcius 

>>but have to look

>> busy

>> at something.

>>

>> Fair winds,

>>

>> Ferg C-FFGG

>>

>>

>

>

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f.kyle(at)sympatico.ca
Guest

Posted: Thu Nov 21, 2013 7:27 am Post subject: unusable fuel

Good day,

            My thanks to David, Christoph and Bob for the advice on the topic above. I appreciate the time taken to reply with useful info - and it confirms my suspicions that I have to extricate C-FFGG from the hangar in the cold, slope it into the angle required to simulate the moment my engine quits, and divine the fuel left in both tanks.

            I don’t know if there’s enough time between rain/snow showers to accomplish this, but it must be done. My fellow hangarites will be thrilled.

            Again many thanks 

Ferg

P.S: Congrats to Christoph, now well past his mandatory 25 hours. He can’t possibly challenge me for longest build now.

 [quote][b]

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